•
Manufactured to meet NIST Federal Specification ASME
B89.1.9 - 2002 tolerances on length for inch gage blocks
•
9 Rectangular Blocks: .0625, .100, .125, .200,
.250, .300, .500, 1.000 & 2.000"
•
2 Optical Flats: vary in size by .0125" which
allows checking anvil faces at half rotations
of spindle for measuring flatness
•
Certificate of Calibration traceable to NIST
•
Supplied in high quality wooden case